TERMIUM Plus^®

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In the case of three-axis stabilization, also known as body stabilization, the stabilization is achieved by controlling the movement of the satellite along the three axes, i. e. yaw, pitch and roll, with respect to a reference... The system uses reaction wheels or momentum wheels to correct orbit perturbations.  2, fiche 1, Anglais, - three%2Daxis%20stabilization

Fiche 1,  Justifications,  Français

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Stabilisation de l'orientation d'un engin spatial à l'aide d'un système d'asservissement permettant de maintenir trois axes liés à l'engin dans des directions déterminées.  1, fiche 1, Français, - stabilisation%20sur%20trois%20axes

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stabilisation sur trois axes; stabilisation trois axes : désignations et définition publiées au Journal officiel de la République française le 31 décembre 2005.  2, fiche 1, Français, - stabilisation%20sur%20trois%20axes

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

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The problem of determining the previous or subsequent motion and the data for computing the places at any time of two bodies when given the Newtonian law of gravitation and the masses of two bodies with their positions and motions at any moment.  2, fiche 2, Anglais, - two%2Dbody%20problem

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The most prominent case of the classical two-body problem is the gravitational case... arising in astronomy for predicting the orbits(or escapes from orbit) of objects such as satellites, planets, and stars.  3, fiche 2, Anglais, - two%2Dbody%20problem

Fiche 2,  Justifications,  Français

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Le problème à deux corps est un modèle théorique important en mécanique, qu'elle soit classique ou quantique, dans lequel sont étudiés les mouvements de deux corps assimilés à des points matériels en interaction mutuelle (conservative), le système global étant considéré comme isolé.  2, fiche 2, Français, - probl%C3%A8me%20%C3%A0%20deux%20corps

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

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Now permanently attached to the Zarya control module in space [, ] Unity has six berthing ports, one on each side, one which is already attached to Zarya. [The] Future U. S. station modules and [the] station components will attach to the remaining five ports... Unity is the first of three such connecting modules that will be built for the station. Sometimes referred to as Node 1, the Unity module measures 15 feet in diameter and 18 feet long. Including mating adapters attached at each end as is currently the case in orbit, the overall component measures about 34 feet long... In addition to connecting to Zarya module, Unity eventually will provide attachment points for the U. S. laboratory module [Destiny] ;Node 3 ;an early exterior framework, or truss for the station, called the Z-1 truss ;an airlock ;and a multi-windowed cupola.  10, fiche 3, Anglais, - Unity%20connecting%20module

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Unity connecting module ; Node 1: terms officially approved by the International Space Station official approval Group (ISSOAG).  8, fiche 3, Anglais, - Unity%20connecting%20module

Fiche 3,  Justifications,  Français

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[...] le «Node-1», baptisé Unity, est amarré au modula Zarya. «Node» signifie «nœud», il porte bien son nom puisque sa fonction est de réunir différents éléments tout en les interconnectant entre eux et en autorisant le passage d'un module à l'autre. Plus petit que Zarya, Unity n'est n'est pas moins équipé de six éléments d'amarrage qui sont autant de connecteurs. Le laboratoire américain viendra s'amarrer du côté opposé à Zarya, tandis que le sas d'amarrage «supérieur» recevra la base de l'immense poutre à laquelle se fixeront les panneaux solaires principaux. Le sas «inférieur» recevra le «Node-2», nouveau carrefour livrant passage vers le module d'habitation et un vaisseau de sauvetage. Les sas latéraux recevront, eux, un sas de sortie pour les activités extra-véhiculaires et une coupole d'observation.  12, fiche 3, Français, - module%20de%20jonction%20Unity

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module de jonction Unity; Nœud 1 : termes uniformisés par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  13, fiche 3, Français, - module%20de%20jonction%20Unity

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

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[The zone in which] the sum of the physical and chemical conditions ... would support the presence of liquid water.  2, fiche 4, Anglais, - habitability%20zone

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It is no longer evident that the habitability zone, in which planets and their satellites may develop life, need to be found in a limited region near the star. In the case of our solar system, the habitability zone has been taken to lie outside the orbit of Venus(0. 7 AU [astronomical units]) and beyond the orbit of Mars(1. 5 AU [astronomical units]).  1, fiche 4, Anglais, - habitability%20zone

Fiche 4,  Justifications,  Français

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[....] zone dans laquelle la quantité d'énergie reçue par la planète permet à l'eau d'exister sous forme liquide.  1, fiche 4, Français, - zone%20d%27habitabilit%C3%A9

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Fiche 5,  Justifications,  Anglais

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A satellite, the position of the centre of mass of which is controlled to follow a specified law, either in relation to the positions of other satellites belonging to the same space system or in relation to a point on Earth which is fixed or moves in a specified way.  2, fiche 5, Anglais, - station%2Dkeeping%20satellite

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The satellite in geostationary orbit(GEO) is, however, a special case, since it is allocated an orbital position measured in degrees of longitude, which must be maintained to limit the possibility of interference with other services using GEO, to allow the use of fixed ground antennas and to avoid collisions. This is referred to as “station keeping” : the two main components of orbital control are east-west station keeping and north-south station keeping.  3, fiche 5, Anglais, - station%2Dkeeping%20satellite

Fiche 5,  Justifications,  Français

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Satellite dont la position du centre de masse est astreinte à suivre une loi spécifiée, soit par rapport aux positions d’autres satellites appartenant au même système spatial, soit par rapport à un point de la Terre qui est fixe ou se déplace selon une loi connue.  2, fiche 5, Français, - satellite%20maintenu%20en%20position

Fiche 5,  Justifications,  Espagnol

Fiche 6,  Justifications,  Anglais

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When an ionizing particle enters the device, it collides with gas atoms and strikes electrons from their orbit around the nucleus of the gas atoms. In addition, an ionizing particle striking the outside of the tube can also knock electrons off the metal casing. In either case, these free electrons then are attracted to the positively charged central wire, gaining energy by the attraction. As they approach the wire they knock electrons off other atoms, creating an avalanche or cascade effect which results in a pulse of current large enough to be detected. A "quenching gas" is usually added to the filler gas so that these avalanches will dissipate over time and not continue indefinitely, which would cause inaccuracy or electronic failure.  1, fiche 6, Anglais, - quenching%20gas

Fiche 6,  Justifications,  Français

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Un des constituants du mélange gazeux de remplissage d'un tube compteur de Geiger-Müller dont le rôle est de provoquer l'auto-extinction de la décharge [...]  1, fiche 6, Français, - gaz%20de%20coupage

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[...] ce sont en général des vapeurs organiques.  1, fiche 6, Français, - gaz%20de%20coupage

Fiche 6,  Justifications,  Espagnol